Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2021 8 5.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2021   14:43:37   (  73.46, -47.33) 08/18/2021   14:42:31  (  73.47, -50.37)   96.19                66
 08/18/2021   15:34:20   ( -73.34, 119.73) 08/18/2021   15:33:12  ( -73.37, 117.19)   81.28                68
 08/18/2021   16:25:04   (  73.13, -73.39) 08/18/2021   16:23:54  (  73.17, -75.08)   54.65                70
 08/18/2021   17:15:47   ( -73.07,  93.80) 08/18/2021   17:14:36  ( -73.07,  92.47)   43.13                71
 08/18/2021   18:06:31   (  72.86, -99.31) 08/18/2021   18:05:18  (  72.88, -99.81)   16.28                73
 08/18/2021   18:57:15   ( -72.75,  67.78) 08/18/2021   18:56:00  ( -72.77,  67.73)    3.28                75
 08/18/2021   19:47:55   (  72.74,-124.91) 08/18/2021   19:46:45  (  72.73,-124.87)    1.83                70
 08/18/2021   20:38:37   ( -72.73,  42.39) 08/18/2021   20:37:29  ( -72.72,  42.45)    1.95                68
 08/18/2021   21:29:17   (  72.72,-150.29) 08/18/2021   21:28:15  (  72.73,-150.25)    1.82                62
 08/18/2021   22:19:59   ( -72.70,  17.01) 08/18/2021   22:18:59  ( -72.73,  17.07)    3.20                60
 08/18/2021   23:10:38   (  72.75,-175.57) 08/18/2021   23:09:45  (  72.73,-175.63)    2.74                53
 08/19/2021   00:01:20   ( -72.73,  -8.27) 08/19/2021   00:00:29  ( -72.73,  -8.31)    1.50                51
 08/19/2021   00:52:00   (  72.73, 159.05) 08/19/2021   00:51:15  (  72.74, 158.99)    2.29                45
 08/19/2021   01:42:42   ( -72.71, -33.65) 08/19/2021   01:41:59  ( -72.73, -33.69)    2.51                43